1 files changed, 63 insertions, 0 deletions
diff --git a/vere/ext/nasm/nasmlib/filename.c b/vere/ext/nasm/nasmlib/filename.c
new file mode 100644
index 0000000..172ae0b
--- /dev/null
+++ b/vere/ext/nasm/nasmlib/filename.c
@@ -0,0 +1,63 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 1996-2017 The NASM Authors - All Rights Reserved
+ *   See the file AUTHORS included with the NASM distribution for
+ *   the specific copyright holders.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following
+ *   conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions and the following
+ *     disclaimer in the documentation and/or other materials provided
+ *     with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * nasmlib.c	library routines for the Netwide Assembler
+ */
+
+#include "compiler.h"
+#include "nasmlib.h"
+#include "error.h"
+
+/*
+ * Add/modify a filename extension, assumed to be a period-delimited
+ * field at the very end of the filename.  Returns a newly allocated
+ * string buffer.
+ */
+const char *filename_set_extension(const char *inname, const char *extension)
+{
+    const char *q = inname;
+    char *p;
+    size_t elen = strlen(extension);
+    size_t baselen;
+
+    q = strrchrnul(inname, '.');   /* find extension or end of string */
+    baselen = q - inname;
+
+    p = nasm_malloc(baselen + elen + 1);
+
+    memcpy(p, inname, baselen);
+    memcpy(p+baselen, extension, elen+1);
+
+    return p;
+}